Description: Tire pressure monitor has features of high precision, low power consumption and stable performance. It is imported large-capacity battery that allows it used for a long time. It is made of good quality ABS and PC material, durable to use. It supports charger, solar dual power supply. The length of this product is 9.9cm, the width is 7.8cm and the height is 2.6cm. Adopting convenient and quick installation method, you can complete the installation and pairing by yourself. It is suitable for most cars. Classic tire pressure monitor is small and exquisite, which is easy to carry and transport. Item Name: Tire Pressure Monitor Material: ABS,PC Battery: 500mAh (Included) Working Frequency: 433.92MHz±0.1MHz Working Temperature: -40 Degree Celsius+85 Degree Celsius/-40 Degree Fahrenheit+185 Degree Fahrenheit Working Current: 30mA Working Voltage: 5V Pressure Range: 0-5.0 Bar/0-72.5 Psi Waterproof Rating: IP67 Features: Waterproof, Dustproof, Wireless Size Details: 9.9cm x 7.8cm x 2.6cm/3.9" x 3.07" x 1.02" (Approx.) Notes: Due to the light and screen setting difference, the item's color may be slightly different from the pictures. Please allow slight dimension difference due to different manual measurement. Package Includes: 1 x Tire Pressure Monitor 4 x External Sensor (Included Battery) 1 x Portable Tool 1 x Double-sided Tape 1 x User Manual 4 x Nut